﻿using System.Configuration;
using System.Web;
using System.Text.RegularExpressions;

namespace VTCeBank.SSO.Utils
{
    public static class HttpRequestBaseExtensions
    {
        #region Private Fields


        private static Regex MobileBrowsers = new Regex(@"android|avantgo|blackberry|blazer|compal|elaine|fennec|hiptop|iemobile|ip(hone|od)|iris|kindle|lge |maemo|midp|mmp|opera m(ob|in)i|palm( os)?|phone|p(ixi|re)\\/|plucker|pocket|psp|symbian|treo|up\\.(browser|link)|vodafone|wap|windows (ce|phone)|xda|xiino", RegexOptions.IgnoreCase | RegexOptions.Multiline);
        private static Regex MobileApps = new Regex(@"1207|6310|6590|3gso|4thp|50[1-6]i|770s|802s|a wa|abac|ac(er|oo|s\\-)|ai(ko|rn)|al(av|ca|co)|amoi|an(ex|ny|yw)|aptu|ar(ch|go)|as(te|us)|attw|au(di|\\-m|r |s )|avan|be(ck|ll|nq)|bi(lb|rd)|bl(ac|az)|br(e|v)w|bumb|bw\\-(n|u)|c55\\/|capi|ccwa|cdm\\-|cell|chtm|cldc|cmd\\-|co(mp|nd)|craw|da(it|ll|ng)|dbte|dc\\-s|devi|dica|dmob|do(c|p)o|ds(12|\\-d)|el(49|ai)|em(l2|ul)|er(ic|k0)|esl8|ez([4-7]0|os|wa|ze)|fetc|fly(\\-|_)|g1 u|g560|gene|gf\\-5|g\\-mo|go(\\.w|od)|gr(ad|un)|haie|hcit|hd\\-(m|p|t)|hei\\-|hi(pt|ta)|hp( i|ip)|hs\\-c|ht(c(\\-| |_|a|g|p|s|t)|tp)|hu(aw|tc)|i\\-(20|go|ma)|i230|iac( |\\-|\\/)|ibro|idea|ig01|ikom|im1k|inno|ipaq|iris|ja(t|v)a|jbro|jemu|jigs|kddi|keji|kgt( |\\/)|klon|kpt |kwc\\-|kyo(c|k)|le(no|xi)|lg( g|\\/(k|l|u)|50|54|e\\-|e\\/|\\-[a-w])|libw|lynx|m1\\-w|m3ga|m50\\/|ma(te|ui|xo)|mc(01|21|ca)|m\\-cr|me(di|rc|ri)|mi(o8|oa|ts)|mmef|mo(01|02|bi|de|do|t(\\-| |o|v)|zz)|mt(50|p1|v )|mwbp|mywa|n10[0-2]|n20[2-3]|n30(0|2)|n50(0|2|5)|n7(0(0|1)|10)|ne((c|m)\\-|on|tf|wf|wg|wt)|nok(6|i)|nzph|o2im|op(ti|wv)|oran|owg1|p800|pan(a|d|t)|pdxg|pg(13|\\-([1-8]|c))|phil|pire|pl(ay|uc)|pn\\-2|po(ck|rt|se)|prox|psio|pt\\-g|qa\\-a|qc(07|12|21|32|60|\\-[2-7]|i\\-)|qtek|r380|r600|raks|rim9|ro(ve|zo)|s55\\/|sa(ge|ma|mm|ms|ny|va)|sc(01|h\\-|oo|p\\-)|sdk\\/|se(c(\\-|0|1)|47|mc|nd|ri)|sgh\\-|shar|sie(\\-|m)|sk\\-0|sl(45|id)|sm(al|ar|b3|it|t5)|so(ft|ny)|sp(01|h\\-|v\\-|v )|sy(01|mb)|t2(18|50)|t6(00|10|18)|ta(gt|lk)|tcl\\-|tdg\\-|tel(i|m)|tim\\-|t\\-mo|to(pl|sh)|ts(70|m\\-|m3|m5)|tx\\-9|up(\\.b|g1|si)|utst|v400|v750|veri|vi(rg|te)|vk(40|5[0-3]|\\-v)|vm40|voda|vulc|vx(52|53|60|61|70|80|81|83|85|98)|w3c(\\-| )|webc|whit|wi(g |nc|nw)|wmlb|wonu|x700|xda(\\-|2|g)|yas\\-|your|zeto|zte\\-", RegexOptions.IgnoreCase | RegexOptions.Multiline);

        #endregion

        public const string ViewMobileSiteCookieName = "ViewMobile";

        /// <summary>
        /// Determines if the request emanated from a mobile-device client; and stores the result in a cookie on the response.
        /// </summary>
        /// <param name="request"></param>
        /// <param name="Response"></param>
        /// <returns></returns>
        public static bool IsMobileClient(HttpRequest request, HttpResponse Response)
        {
            bool isMobile = false;
            bool isCookieSet = false;
            var viewMobileCookie = request.Cookies[ViewMobileSiteCookieName];

            if (viewMobileCookie != null && bool.TryParse(viewMobileCookie.Value, out isMobile))
            {
                isCookieSet = true;
            }
            else if (request.Browser.IsMobileDevice)
            {
                isMobile = true;
            }
            else if (!string.IsNullOrEmpty(request.ServerVariables["HTTP_X_WAP_PROFILE"]))
            {
                isMobile = true;
            }
            else if
                (
                   !string.IsNullOrEmpty(request.ServerVariables["HTTP_ACCEPT"])
                    &&
                    (
                        request.ServerVariables["HTTP_ACCEPT"].ToLower().Contains("wap")
                        || request.ServerVariables["HTTP_ACCEPT"].ToLower().Contains("wml+xml")
                    )
                )
            {
                isMobile = true;
            }
            else if (!string.IsNullOrEmpty(request.ServerVariables["HTTP_USER_AGENT"]))
            {
                string userAgent = request.ServerVariables["HTTP_USER_AGENT"];
                isMobile = ((MobileBrowsers.IsMatch(userAgent) || MobileApps.IsMatch(userAgent.Substring(0, 4))));
            }

            // Store the result as a cookie.
            if (!isCookieSet)
                Response.Cookies.Add(new HttpCookie(ViewMobileSiteCookieName, isMobile.ToString()));

            return isMobile;
        }
    }

    public class Constants
    {
        static string SSO_SERVICE_ID = "SSO_SERVICE_ID";
        private static string SSO_SERVER_URL = ConfigurationSettings.AppSettings["SSO_SERVER_URL"];// ?? "https://ebank.vtc.vn";
        private static string SSO_SERVER_URLfb = ConfigurationSettings.AppSettings["SSO_SERVER_FACEBOOK_URL"];// ?? "https://ebank.vtc.vn";
        static string SECRET_KEY = "SSO_SECRET_KEY";
        static string SSO_CONTINUE_URL = "SSO_CONTINUE_URL";
        
        
        static string SSO_CONTINUE_URLFacebook = "SSO_CONTINUE_URLFacebook";

        public static string SSO_SECRET_KEY = ConfigurationSettings.AppSettings[SECRET_KEY] ?? string.Empty;
        public static string SSO_SERVER
        {
            get
            {
                string server = SSO_SERVER_URL.EndsWith("/") ? SSO_SERVER_URL.Substring(0, SSO_SERVER_URL.Length - 1) : SSO_SERVER_URL;

                if (IsMobileBrowser()) server = server + "/wap";
                return server;
            }
        }
        public static string SSO_SERVERFacebook
        {
            get
            {
                string server = SSO_SERVER_URLfb.EndsWith("/") ? SSO_SERVER_URLfb.Substring(0, SSO_SERVER_URLfb.Length - 1) : SSO_SERVER_URLfb;

                if (IsMobileBrowser()) server = server + "/wap";
                return server;
            }
        }
        public static string SSO_URL_CONTINUE = ConfigurationSettings.AppSettings[SSO_CONTINUE_URL] ?? "";
        public static string SSO_URL_CONTINUEFacebook = ConfigurationSettings.AppSettings[SSO_CONTINUE_URLFacebook] ?? "";

        public static string SERVICE_PROVIDER_SITE_ID = ConfigurationSettings.AppSettings[SSO_SERVICE_ID] ?? string.Empty;

        public static string SSO_TIMEOUT = ConfigurationSettings.AppSettings["SSO_TIMEOUT"] ?? "15";

        public const string SESSION_USERID = "UserID";
        public const string SESSION_USERNAME = "UserName";
        public const string SESSION_FACEBOOKID = "FacebookID";
        public const string SESSION_STATUS = "Status";
        public const string SESSION_EMAIL = "Email";

        public static string MODE_0 = "0";
        public static string MODE_1 = "1";

        public static string REQUEST_UR = "ur";//Request Return URL
        public static string REQUEST_M = "m";//Request Mode
        public static string RESPONSE_S = "s";//Response Status
        public static string RESPONSE_UD = "ud";//Response User Data
        public static string RESPONSE_UR = "ur";//Respose Return URL
        public static string RESPONSE_CONTINUE = "continue"; // URL recived user data

        public static bool IsMobileBrowser()
        {
            //GETS THE CURRENT USER CONTEXT
            HttpContext context = HttpContext.Current;
            return HttpRequestBaseExtensions.IsMobileClient(HttpContext.Current.Request, HttpContext.Current.Response);

            //FIRST TRY BUILT IN ASP.NT CHECK
            if (context.Request.Browser.IsMobileDevice)
            {
                return true;
            }
            //THEN TRY CHECKING FOR THE HTTP_X_WAP_PROFILE HEADER
            if (context.Request.ServerVariables["HTTP_X_WAP_PROFILE"] != null)
            {
                return true;
            }
            //THEN TRY CHECKING THAT HTTP_ACCEPT EXISTS AND CONTAINS WAP
            if (context.Request.ServerVariables["HTTP_ACCEPT"] != null &&
                context.Request.ServerVariables["HTTP_ACCEPT"].ToLower().Contains("wap"))
            {
                return true;
            }
            //AND FINALLY CHECK THE HTTP_USER_AGENT 
            //HEADER VARIABLE FOR ANY ONE OF THE FOLLOWING
            if (context.Request.ServerVariables["HTTP_USER_AGENT"] != null)
            {
                //Create a list of all mobile types
                var mobiles =
                    new[]
                {
                    "midp", "j2me", "avant", "docomo", 
                    "novarra", "palmos", "palmsource", 
                    "240x320", "opwv", "chtml",
                    "pda", "windows ce", "mmp/", 
                    "blackberry", "mib/", "symbian", 
                    "wireless", "nokia", "hand", "mobi",
                    "phone", "cdm", "up.b", "audio", 
                    "SIE-", "SEC-", "samsung", "HTC", 
                    "mot-", "mitsu", "sagem", "sony"
                    , "alcatel", "lg", "eric", "vx", 
                    "NEC", "philips", "mmm", "xx", 
                    "panasonic", "sharp", "wap", "sch",
                    "rover", "pocket", "benq", "java", 
                    "pt", "pg", "vox", "amoi", 
                    "bird", "compal", "kg", "voda",
                    "sany", "kdd", "dbt", "sendo", 
                    "sgh", "gradi", "jb", "dddi", 
                    "moto", "iphone"
                };

                //Loop through each item in the list created above 
                //and check if the header contains that text
                foreach (string mb in mobiles)
                {
                    if (context.Request.ServerVariables["HTTP_USER_AGENT"].ToLower().Contains(mb.ToLower())) return true;
                }

                return false;
            }

            return false;
        }

    }
}
